Todo in 3 lines
HTML
<script src="http://code.jquery.com/jquery-1.9.1.min.js"></script>
<script src="http://include.jaydata.org/jaydata.min.js"></script>JavaScript
var Todo = $data.define("Todo", { Task: String, Completed: Boolean });
Todo.save({Task:"Say hello to meetup group", Completed: false });
Todo.query("it.Task.contains('Say') && it.Completed == false").then(function(a) {console.log(a)});